Fixed color palette and player starting location

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/map/wolf_level.dart

@@ -5,11 +5,13 @@ class WolfLevel {
   final int width; // Always 64 in standard Wolf3D
   final int height; // Always 64
   final Matrix<int> wallGrid;
+  final Matrix<int> objectGrid;
 
   WolfLevel({
     required this.name,
     required this.width,
     required this.height,
     required this.wallGrid,
+    required this.objectGrid,
   });
 }